Home / 8,854.28-12,218.54-5,074.81

Finding the Fourth Proportional to 8,854.28, 12,218.54 and 5,074.81

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Solution

The fourth proportional to 8,854.28, 12,218.54 and 5,074.81 is: 7,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.28 : 12,218.54 = 5,074.81 : x
  2. Step 2: Convert to fraction form
    8,854.28/12,218.54 = 5,074.81/x
  3. Step 3: Cross multiply
    8,854.28x = 12,218.54 × 5,074.81
  4. Step 4: Simplify right side
    8,854.28x = 62,006,768.98
  5. Step 5: Solve for x
    x = 62,006,768.98/8,854.28
  6. Step 6: Final answer
    x = 7,003.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.